Definition: A leukemia/lymphoma found predominately in children and adolescents and characterized by a high number of lymphoblasts and solid tumor lesions. Frequent sites involve LYMPH NODES, skin, and bones. It most commonly presents as leukemia.
Other names Pre-B-Cell Leukemia; Leukemia, Pre-B-Cell; Precursor B Cell Lymphoblastic Lymphoma; Precursor B Cell Lymphoblastic Leukemia Lymphoma; Precursor B Cell Lymphoblastic Leukemia; Pre-B-Cell Leukemias; Pre B Cell Leukemia; Pre B ALL; Leukemias, Pre-B-Cell; Leukemia, Pre B Cell; Precursor B-Cell Lymphoblastic Lymphoma; Precursor B-Cell Lymphoblastic Leukemia; Pre-B ALL; Pre B-ALL
